Connector wiring
Junction box
Recommended wiring
Wiring example
Satellite antenna
8 Pin Female Color In / Out Name
1 - -
2 Black Ground
3 - In RS232 RX
4 - Out RS232 TX
5 Red In 12 V DC
6 - - -
7 - - -
8 - - -
Satellite antenna - Junction box connector
Connector No. Color In /Out Name
1 Brown / Red In 12 V DC
2 Brown / Blue Out Aux1_TX
3 Brown / Green In Aux1_RX
4 Brown / Orange In Ext Sat
5 Black - Ground
Primary I/O
Wire Color Signal Desc’
Direction
(LMU)
Navico
V
LIMIT
A
1 Red VIN PWR Boat Power
12-32 V
2 Black GND PWR Boat Ground
12-32 V
3 White INPUT0 I Ignition
12-32 V
4 Pink ADC1 I -
12-32 V
5 Brown / Red VIN_VILT PWR EXT. SATELLITE
12-32 V
6 Brown / Orange AUX1_VCC PWR EXT. SATELLITE
3.3 V
7 Brown / Green AUX1_RX O EXT. SATELLITE
3.3 V
8 Brown / Blue AUX1_TX I EXT. SATELLITE
3.3 V
9 Yellow / Orange AUX2_VCC PWR -
3.3 V
10 Yellow / Green AUX2_RX O -
3.3 V
11 Yellow / Blue AUX2_TX I -
3.3 V
12 Blue INPUT 1 I ENTRY / HATCH
12-32 V
13 Orange INPUT 2 I WATER LEVEL
12-32 V
14 Violet INPUT 3 I SHORE POWER
12-32 V
15 Grey INPUT 4 I SPARE
12-32 V
16 Green / Black 1BB_T_DATA Signal TEMP SENSOR
4 V
17 Yellow / Black 1BB_GND GND TEMP SENSOR
4 V
18 Green OUTPUT 0 O - 250 mA
19 Brown OUTPUT 1 O - 250 mA
20 Yellow OUTPUT 2 O - 250 mA
Secondary I/O
Wire Color Signal Desc’
Direction
(LMU)
V
LIMIT
A
1 Black GND PWR
12-32 V
2 Yellow / Red VIN_FILT PWR
12-32 V
3 Green / White INPUT 5 I
12-32 V
4 Blue / White INPUT 6 I
12-32 V
5 Black / White INPUT 7 I
12-32 V
6 Orange / Black 1BB_R_DATA I/O
4 V
7 Blue / Orange OUTPUT 3 O
-
250 mA
8 Whote / Yellow OUTPUT 4 O
-
250 mA
9 Red / Green LED OUTPUT 1 O
4 V
10 Orange / Green LED OUTPUT 2 O
4 V
11 Black / Red ADC2 INPUT I
12-32 V
12 White / Red ADC3 INPUT I
12-32 V
13 Orange / Red ADC4 INPUT I
12-32 V
14 Blue / Red ADC5 INPUT I
12-32 V
NMEA 2000 / CAN - J Connector
Wire Pin Color Signal Desc
1 4 Yellow NMEA 2000 High
2 5 Green NMEA 2000 Low
3 3 Black / Yellow NMEA 2000 Ground
4 A Grey Port J1939 CAN 1 Low
5 B Blue Port J1939 CAN 1 High
6 C Black / Grey Port J1939 CAN 1 Ground
7 A Red Stbd J1939 CAN 2 Low
8 B Brown Stbd J1939 CAN 2 High
9 C Black / Red Stbd J1939 CAN 2 Ground
Gnd
Pwr
1
2
3
4
5
Gnd IgnOut1 Out0
SAT-TTL-RS232 PCB
(Secured to case lid)
Aux2TxAux2RxAux2
Pwr
ADC1
Bilge HatchTemp Out2
Shore
Pwr
Gnd Gnd
Pwr
1
2
3
4
5
Gnd
Gnd
Ign Out 0 Out 1Out 2
Satellite antenna
connector
(Secured to case lid)
Bilge HatchADC1 SpareTemp
Shore
Pwr
NMEA 2000 Network
12 V 12 V
In / Output
In / Output
In / Output
In / Output
In / Output
Primary I/O
Satellite
In / Output
In / Output
In / Output
In / Output
In / Output
In / Output
Iridium
Antenna
Cellular Com 1 *
* Cellular conectivity only available with a
Track CELL/GPS/WLAN Antenna & Track-CellFi Unit
WLAN Com 2
GPS
Junction
Box
Junction
Box
Secondary I/O
Engine ‡
J1939 Conection
Engine ‡
J1939 Port
GoFree Cloud
Track Unit*
Track
Antenna*
‡ Not compatible
with all SAE J1939
compatible engines,
see GoFree
technical support
for more details
Gnd Gnd
Pwr
Ignition
Sensor
Ships
Power
Bilge
Sensor
Entry
Sensor
Primary I/O
to Track
Satellite antenna
Cable (3 m)
Extention for additional
10 m available
Temperature
Sensor
Shore Power
Sensor
1
2
3
4
5
Gnd
Gnd
Ign Out 0 Out 1 Out 2
Satellite antenna
connector
(Secured to case lid)
Bilge HatchADC1 SpareTemp
Shore
Pwr
1
2
3 4
5